HomeIP-GuideBulgaria General informationInvention (Paris Convention) Bulgaria

Bulgaria

  • International Country Code:

    BG
  • Time Zone:

    UTC/GMT +02:00
  • Currency:

    Bulgarian Lev (BGN)

Patent in Bulgaria (non-PCT)

Bulgaria
from 1149.00
Total Number of Claims
Number of Independent Claims
Number of Priorities
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  • Patent fees

Fees associated with filing patent applications in Bulgaria as well as other patent fees are available in the fee calculator.

  • Term for filing patent applications in Bulgaria

The term for filing a patent application in Bulgaria claiming conventional priority is 12 months from the priority date. The extension of this deadline is not stipulated.

  • Minimum filing requirements

To obtain a filing date the patent application in Bulgaria must contain:
- a request to grant a patent containing the title of the invention and the data identifying the applicant in Bulgarian;
- specification and drawings in any language.

  • Language of the Bulgarian patent application

The official language is Bulgarian. If the patent application is filed in any other foreign language, translation into Bulgarian should be provided within three months from the filing date of the application. This term cannot be extended.

  • Priority document

Priority may be claimed within two months from the filing date. The priority document must be submitted within three months from filing the patent application in Bulgaria. Translation into Bulgarian should be provided at the request of the BPO.

  • Power of Attorney requirements

The official legalisation is not required for patent registration in Bulgaria. A signed and stamped copy of POA may be submitted within three months from the filing date.

  • Substantive examination request

The substantive examination on Bulgarian patent application should be requested within 13 months from the filing date or, if the priority is claimed, from the priority date.

  • Novelty grace period 

A Bulgarian patent application may be filed within six months after the disclosure at an officially recognized exhibition.

  • Representation by a patent attorney

Foreign applicants must perform the patent prosecution in Bulgaria through an agent, a registered Bulgarian patent attorney.

  •  Notes

1. Online Database for European Patents (EPO) Search.
2. The patent in Bulgaria may also be obtained via registration of the European patent and its further validation in Bulgaria.
3. Inventions may also be protected as Utility Models in Bulgaria, which are subject to formal examination only. Methods, chemical compounds and use of a product are not protectable. Time frame for registration of utility models is 12-18 months. Initial protection term is 4 years with two renewals, 3 years each.

Brief summary is based on the information provided by PATENT UNIVERSE Valentina Nesheva Ltd. on 15.01.2019
Please contact us if the above information contains any discrepancies with Bulgarian IP Laws

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